| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 228 |
19%
|
| 1 | Only sometimes | 413 |
34.4%
|
| 2 | Often | 400 |
33.3%
|
| 3 | Always | 123 |
10.3%
|
| 9 | Don't know | 36 |
3%
|
| 998 | Refused | 0 |
0%
|